Algebra Regents Flashcards
(24 cards)
What is the value of x in the equation 2x + 3 = 11?
x = 4
True or False: The quadratic formula is used to find the roots of a linear equation.
False
Fill in the blank: The slope-intercept form of a line is _____ = mx + b.
y
What is the standard form of a quadratic equation?
ax^2 + bx + c = 0
Which of the following is a solution to the equation x^2 - 5x + 6 = 0? (a) 2 (b) 3 (c) 4 (d) Both (a) and (b)
d
True or False: The distributive property states that a(b + c) = ab + ac.
True
What is the vertex form of a quadratic function?
y = a(x - h)^2 + k
Fill in the blank: The solution set of an equation is the set of _____ that satisfy the equation.
values
What is the method called for solving systems of equations by graphing?
Graphical method
What is the formula for the area of a triangle?
Area = 1/2 * base * height
True or False: A polynomial of degree 3 is called a quadratic polynomial.
False
What is the axis of symmetry for the parabola given by the equation y = x^2 + 4x + 4?
x = -2
Identify the term: The highest power of a variable in a polynomial.
Degree
Which operation is performed first in the expression 3 + 2 * 5?
Multiplication
What is the solution to the inequality 3x - 5 < 4?
x < 3
Fill in the blank: A function is a relation where each input has _____ output.
exactly one
What is the formula for the slope of a line given two points (x1, y1) and (x2, y2)?
m = (y2 - y1) / (x2 - x1)
True or False: The sum of the angles in a triangle is always 180 degrees.
True
What is the term for the point where a line crosses the y-axis?
Y-intercept
What is the result of factoring the expression x^2 - 9?
(x - 3)(x + 3)
What is the product of the roots of the quadratic equation ax^2 + bx + c = 0?
c/a
Fill in the blank: The _____ of a function is the set of all possible outputs.
range
Which of the following is a characteristic of a linear function? (a) It has a constant rate of change (b) It forms a curve (c) It can have multiple y-values for one x-value
a
What is the solution set of the equation 2x - 8 = 0?
x = 4